"About this item 

• It may be used in conjunction with other insoles or placed directly in the shoe, Including both athletic and dress shoes. Perfect for Daily Work,Running,Walking,Heel pains. 
• Orthopedic Heel Wedge Shoe Insoles - Help Foot Comfort Alignment & Knee Pain from Knock-Knees, Bow Legs, Pronation, Supination, Osteoarthritis 
• Orthotic insoles are usually thick, loose shoes is good choice, fit for most shoes like running shoes,work boots,loose casual shoes,hiking shoes,both men and women. 
• Skin-friendly anti-slip fabric and high density PU foam feels delicate,soft and breathable. High polymer EVA provides good cushioning and elasticity for reducing shock and reduce knee fatigue and leg pain. 
• Perfect for improving performance physical activity. Between the velvet and EVA material, there is memory foam which has a certain resilience to help absorb shock.”